Operation CHARM: Car repair manuals for everyone.

Valve, Intake/Exhaust

Face Angle:
Intake 45°
Exhaust 44 1/2°

Head Diameter:
Intake 34.67 - 34.93 mm (1.364 - 1.375 inches)
Exhaust 30.37 - 30.63 mm (1.195 - 1.205 inches)

Length (Overall):
Intake 112.76 - 113.32 mm (4.439 - 4.461 inches)
Exhaust 109.59 - 110.09 mm (4.314 - 4.334 inches)

Stem Diameter:
Intake 5.934 - 5.952 mm (0.233 - 0.234 inches)
Exhaust 5.906 - 5.924 mm (0.232 - 0.233 inches)

Valve Margin:
Intake 1.285 - 1.615 mm (0.050 - 0.063 inches)
exhaust 0.985 - 1.315 mm (0.038 - 0.051 inches)

Valve Stem Tip Height:
Intake 48.04 mm (1.891 inch)
Exhaust 47.99 mm (1.889 inch)

Valve Stem To Guide Clearance:
Intake 0.048 - 0.066 mm (0.0018 - 0.0025 inch)
Exhaust 0.0736 - 0.094 mm (0.0029 - 0.0037 inch)
Wear Limit 0.25 mm (0.010 inch)